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ololo11 [35]
3 years ago
13

A solid has 16 faces and 14 vertices. How many edges does the solid have

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
4 0
We know the number of faces and vertices of the solid and we have to calculate the number of edges.We have : F = 16 and V = 14.The formula is:F - E + V = 216 - E + 14 = 216 + 14 - 2 = EE = 30 - 2E = 28Answer: The solid has 28 edges.

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Kiran read for x minutes, and Andre read for 58 more than that. Write an equation that relates the number of minutes Kiran read
bogdanovich [222]

Answer:

0.017y=0.017x+0.97

Step-by-step explanation:

Let us assume that,

number of minutes read by Kiran is = x minutes.

number of minutes read by Andre is = y minutes.

Andre read for 58 minute more than that of Kiran.

Converting minute to hour we get,

x\text{ minutes}=\dfrac{x}{60}=0.017x\text{ hour}

y\text{ minutes}=\dfrac{y}{60}=0.017y\text{ hour}

58\text{ minutes}=\dfrac{58}{60}=0.97\text{ hour}

So the relationship between x and y will be,

0.017y=0.017x+0.97

7 0
3 years ago
Y (y + 2) = y2 - 6<br> also<br> 2 [x - (1-3x)] = 3 (x + 1)
vladimir1956 [14]

Answer:

Step-by-step explanation:

y(y+2)=y²-6

y²+2y=y²-6

2y=-6

y=-3

2[x-(1-3x)]=3(x+1)

2[x-1+3x]=3x+3

2(4x-1)=3x+3

8x-2=3x+3

8x-3x=3+2

5x=5

x=1

7 0
3 years ago
Question 4
Svetach [21]

A) Composite function that represents how many flowers Iris can expect to bloom over a certain number of weeks is f[s(w)] = 50w + 25.

B) The unit of measurement for the composite function is flowers.

C) Number of the flowers for 30 weeks will be 1525.

<h3>What is a composite function?</h3>

A function is said to be a composite function when a function is written in another function. The composite function that represents the number of flowers is f[s(w)] = 50w + 25. and the number of flowers for 30 weeks is 1525.

Part A: Write a composite function that represents how many flowers Iris can expect to bloom over a certain number of weeks.

From the given data we will find the function for the number of flowers with time.

f(s) = 2s + 25

We have  s(w) = 25w

f[(s(w)]=2s(w) + 25

f[(s(w)] = 2 x ( 25w ) +25

f[s(w)] = 50w + 25.

Part B: What are the units of measurement for the composite function in Part A

The expression f[s(w)] = 50w + 25 will give the number of the flowers blooming over a number of the weeks so the unit of measurement will be flowers.

Part C: Evaluate the composite function in Part A for 30 weeks.

The expression f[s(w)] = 50w + 25 will be used to find the number of flowers blooming in 30 weeks put the value w = 30 to get the number of the flowers.

f[s(w)] = 50w + 25.

f[s(w)] = (50 x 30) + 25.

f[s(w)] = 1525 flowers.

Therefore the composite function is f[s(w)] = 50w + 25. unit will be flowers and the number of flowers in 30 weeks will be 1525.

To know more about composite functions follow

brainly.com/question/10687170

#SPJ1

3 0
1 year ago
Is 18/25 bigger than 11/15
maxonik [38]
18/25 = 0.72
11/15 = 0.73

no, 18/25 is not bigger then 11/15....it is smaller
3 0
3 years ago
Simplify x^3/x? need help been stuck on this question forever
BlackZzzverrR [31]

x^3/x

= x^(3 - 1)

= x^2

Answer

x^2

8 0
3 years ago
Read 2 more answers
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